How long does propagation take?

Until the old TTL expires on each cache: if the old record had a 3,600-second TTL, up to an hour after the change. Lower the TTL a day before a planned change to shorten it.

DNS propagation checker

What 18 resolvers around the world answer right now, and whether they agree.

What this check does

After a DNS change, caches around the world expire at different times. This check asks a panel of public resolvers for the record and compares them with each other and with your authoritative nameserver.

18 public resolvers queried in parallel (8 for visitors)
Agreement count and the majority answer
The authoritative answer for comparison
Per-resolver TTL and response time
Any record type: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, PTR

Questions

How long does propagation take?: Until the old TTL expires on each cache: if the old record had a 3,600-second TTL, up to an hour after the change. Lower the TTL a day before a planned change to shorten it.